Fix crash on python exit; globals can be None in this case

jonaslb · Nov 25, 2019 · a6732b2 · a6732b2
1 parent 5b8a64f
commit a6732b2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/psiesta/psiesta.py b/psiesta/psiesta.py
@@ -131,5 +131,10 @@ def read_density_matrices(self):
         return DM, EDM
 
     def __del__(self):
+        # TODO: chdir may have been set to None if python is shutting down, handle it better
+        if chdir is None:
+            self.launched = False  # dont call fsiesta quit
+            super().__del__()
+            return
         with chdir(self.working_dir):
             super().__del__()